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A065699 Values of m such that N = (am+1)(bm+1)(cm+1) is a Carmichael number where a,b,c = 1,2,63. 3
156, 2550, 3180, 19686, 29640, 40350, 41610, 43626, 46020, 51060, 65550, 72480, 79536, 80670, 85836, 97176, 133716, 150096, 159420, 170760, 184116, 191550 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

FORMULA

am+1, bm+1, cm+1 are primes and am|(N-1), bm|(N-1), cm|(N-1).

CROSSREFS

Cf. A064238-A064262, A065695-A065703

Sequence in context: A263305 A235849 A235843 * A263290 A275766 A023903

Adjacent sequences:  A065696 A065697 A065698 * A065700 A065701 A065702

KEYWORD

nonn

AUTHOR

Harvey Dubner (harvey(AT)dubner.com), Nov 14 2001

STATUS

approved

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Last modified July 20 14:23 EDT 2019. Contains 325185 sequences. (Running on oeis4.)